611375428 has 48 divisors (see below), whose sum is σ = 1132927488. Its totient is φ = 288288000.

The previous prime is 611375411. The next prime is 611375431. The reversal of 611375428 is 824573116.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990576 + ... + 991192.

It is an arithmetic number, because the mean of its divisors is an integer number (23602656).

Almost surely, 2^611375428 is an apocalyptic number.

It is an amenable number.

611375428 is a deficient number, since it is larger than the sum of its proper divisors (521552060).

611375428 is a wasteful number, since it uses less digits than its factorization.

611375428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 842 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 611375428 is about 24726.0071180124. The cubic root of 611375428 is about 848.7295567632.

The spelling of 611375428 in words is "six hundred eleven million, three hundred seventy-five thousand, four hundred twenty-eight".